Parent opinion, part 2 Let’s revisit the school systemdescribed in Exercise 17. Four new sampling strategieshave been proposed to help the PTA determine whetherparents favor requiring elementary students to pass a test in order to be promoted to the next grade. For each, indi-cate what kind of sampling strategy is involved and what (if any) biases might result.a) Run a poll on the local TV news, asking people to dialone of two phone numbers to indicate whether theyfavor or oppose the plan.b) Hold a PTA meeting at each of the 20 elementaryschools, and tally the opinions expressed by those whoattend the meetings. c) Randomly select one class at each elementary schooland contact each of those parents. d) Go through the district’s enrollment records, select-ing every 40th parent. PTA volunteers will go to those homes to interview the people chosen.
Parent opinion, part 2 Let’s revisit the school systemdescribed in Exercise 17. Four new sampling strategieshave been proposed to help the PTA determine whetherparents favor requiring elementary students to pass a test in order to be promoted to the next grade. For each, indi-cate what kind of sampling strategy is involved and what (if any) biases might result.a) Run a poll on the local TV news, asking people to dialone of two phone numbers to indicate whether theyfavor or oppose the plan.b) Hold a PTA meeting at each of the 20 elementaryschools, and tally the opinions expressed by those whoattend the meetings. c) Randomly select one class at each elementary schooland contact each of those parents. d) Go through the district’s enrollment records, select-ing every 40th parent. PTA volunteers will go to those homes to interview the people chosen.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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Parent opinion, part 2 Let’s revisit the school system
described in Exercise 17. Four new sampling strategies
have been proposed to help the PTA determine whether
parents favor requiring elementary students to pass a test
described in Exercise 17. Four new sampling strategies
have been proposed to help the PTA determine whether
parents favor requiring elementary students to pass a test
in order to be promoted to the next grade. For each, indi-
cate what kind of sampling strategy is involved and what
cate what kind of sampling strategy is involved and what
(if any) biases might result.
a) Run a poll on the local TV news, asking people to dial
one of two phone numbers to indicate whether they
favor or oppose the plan.
b) Hold a PTA meeting at each of the 20 elementary
schools, and tally the opinions expressed by those who
attend the meetings.
a) Run a poll on the local TV news, asking people to dial
one of two phone numbers to indicate whether they
favor or oppose the plan.
b) Hold a PTA meeting at each of the 20 elementary
schools, and tally the opinions expressed by those who
attend the meetings.
c) Randomly select one class at each elementary school
and contact each of those parents.
and contact each of those parents.
d) Go through the district’s enrollment records, select-
ing every 40th parent. PTA volunteers will go to those
ing every 40th parent. PTA volunteers will go to those
homes to interview the people chosen.
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